Liquid dispenser



FIG. 1 is a is a perspective view of the ornamental design of a liquid dispenser showing our design;

FIG. 2 is a front view of the liquid dispenser;

FIG. 3 is a side view of the liquid dispenser;

FIG. 4 is a top view of the liquid dispenser; and,

FIG. 5 is a bottom view of the liquid dispenser. 

The ornamental design for a liquid dispenser, as shown and described. 